1990 Dodge D250 Q&A

1990 Dodge D250 Question: its a dynasty 3.3. why doesn't the serpentine belt stay on

this last summer i bought my granddaughter a 1990 dodge dynasty. we've put on three serpentine belts on and they keep coming off. can someone help me? from lorraine. crying in drayton nd -
Answer 1
TRY A NEW BELT TENSIONER -
Comment 1
i'm sorry, i guess i forgot to say we did that also. but thanks for a good answer.lorraine -